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Last Updated: April 25, 2024

Cysteamine bitartrate - Generic Drug Details

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What are the generic sources for cysteamine bitartrate and what is the scope of patent protection?

Cysteamine bitartrate is the generic ingredient in two branded drugs marketed by Horizon and Mylan, and is included in three NDAs. There are twelve patents protecting this compound. Additional information is available in the individual branded drug profile pages.

Cysteamine bitartrate has sixty-two patent family members in thirty-four countries.

There are four drug master file entries for cysteamine bitartrate. Two suppliers are listed for this compound.

Summary for cysteamine bitartrate

International Patents:	62
US Patents:	12
Tradenames:	2
Applicants:	2
NDAs:	3
Drug Master File Entries:	4
Finished Product Suppliers / Packagers:	2
Raw Ingredient (Bulk) Api Vendors:	33
Clinical Trials:	14
Patent Applications:	279
Formulation / Manufacturing:	see details
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for cysteamine bitartrate
What excipients (inactive ingredients) are in cysteamine bitartrate?	cysteamine bitartrate excipients list
DailyMed Link:	cysteamine bitartrate at DailyMed

DrugPatentWatch^® Estimated Loss of Exclusivity (LOE) Date for cysteamine bitartrate

Generic Entry Dates for cysteamine bitartrate^: ⤷ Try a Trial* Constraining patent/regulatory exclusivity: ⤷ Try a Trial Dosage: CAPSULE, DELAYED RELEASE;ORAL
Generic Entry Dates for cysteamine bitartrate^: ⤷ Try a Trial* Constraining patent/regulatory exclusivity: ⤷ Try a Trial Dosage: GRANULE, DELAYED RELEASE;ORAL

^*The generic entry opportunity date is the latter of the last compound-claiming patent and the last regulatory exclusivity protection. Many factors can influence early or later generic entry. This date is provided as a rough estimate of generic entry potential and should not be used as an independent source.

Recent Clinical Trials for cysteamine bitartrate

Identify potential brand extensions & 505(b)(2) entrants

Sponsor	Phase
Children's Hospital Medical Center, Cincinnati	Phase 1
Raptor Pharmaceuticals Inc.	Phase 2
Horizon Pharma USA, Inc.	Phase 2

See all cysteamine bitartrate clinical trials

Pharmacology for cysteamine bitartrate

Drug Class	Cystine Depleting Agent
Mechanism of Action	Cystine Disulfide Reduction

Paragraph IV (Patent) Challenges for CYSTEAMINE BITARTRATE

Tradename	Dosage	Ingredient	Strength	NDA	ANDAs Submitted	Submissiondate
PROCYSBI	Delayed-release Granules	cysteamine bitartrate	75 mg/Packet and 300 mg/Packet	213491	1	2021-12-16
PROCYSBI	Delayed-release Capsules	cysteamine bitartrate	25 mg and 75 mg	203389	1	2020-05-11

US Patents and Regulatory Information for cysteamine bitartrate

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Glossary

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Horizon	PROCYSBI	cysteamine bitartrate	GRANULE, DELAYED RELEASE;ORAL	213491-002	Feb 14, 2020		RX	Yes	Yes	⤷ Try a Trial	⤷ Try a Trial			Y	⤷ Try a Trial
Horizon	PROCYSBI	cysteamine bitartrate	CAPSULE, DELAYED RELEASE;ORAL	203389-002	Apr 30, 2013		RX	Yes	Yes	⤷ Try a Trial	⤷ Try a Trial			Y	⤷ Try a Trial
Horizon	PROCYSBI	cysteamine bitartrate	CAPSULE, DELAYED RELEASE;ORAL	203389-002	Apr 30, 2013		RX	Yes	Yes	⤷ Try a Trial	⤷ Try a Trial			Y	⤷ Try a Trial
Horizon	PROCYSBI	cysteamine bitartrate	CAPSULE, DELAYED RELEASE;ORAL	203389-001	Apr 30, 2013		RX	Yes	No	⤷ Try a Trial	⤷ Try a Trial				⤷ Try a Trial
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>TE	>Type	>RLD	>RS	>Patent No.	>Patent Expiration	>Product	>Substance	>Delist Req.	>Exclusivity Expiration

International Patents for cysteamine bitartrate

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Country	Patent Number	Title	Estimated Expiration
Denmark	2535044		⤷ Try a Trial
China	105492000	Delayed release cysteamine bead formulation	⤷ Try a Trial
Portugal	2535044		⤷ Try a Trial
South Korea	102281747		⤷ Try a Trial
>Country	>Patent Number	>Title	>Estimated Expiration

Supplementary Protection Certificates for cysteamine bitartrate

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Patent Number	Supplementary Protection Certificate	SPC Country	SPC Expiration	SPC Description
1919458	300649	Netherlands	⤷ Try a Trial	PRODUCT NAME: CYSTEAMINE; REGISTRATION NO/DATE: EU/1/13/861/001-002 20130910
1919458	19/2014	Austria	⤷ Try a Trial	PRODUCT NAME: CYSTEAMIN; REGISTRATION NO/DATE: EU/1/13/861/001-002 20130910
1919458	C01919458/01	Switzerland	⤷ Try a Trial	PRODUCT NAME: MERCAPTAMIN; REGISTRATION NO/DATE: SWISSMEDIC-ZULASSUNG 67129 16.08.2019
1919458	122014000023	Germany	⤷ Try a Trial	PRODUCT NAME: CYSTEAMIN ODER EIN PHARMAZEUTISCH VERTRAEGLICHES SALZ DAVON; REGISTRATION NO/DATE: EU/1/13/861 20130906
>Patent Number	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration	>SPC Description

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Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.